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Articles tagged with #interview
Spring Data REST simplifies the creation of RESTful APIs for Spring Data repositories. It eliminates boilerplate code and automatically exposes repository methods as REST endpoints. This guide demonstrates how to create a Spring Data REST application...
Spring Data JPA provides several repository interfaces to facilitate data persistence and retrieval. These interfaces extend each other to build upon functionality, starting from basic CRUD operations to more advanced capabilities like pagination and...
Java 23 introduces several enhancements aimed at improving developer productivity, performance, and maintainability. This release includes new language features, APIs, and JVM optimizations that continue to refine the Java language and platform for b...
1. Introduction to Java Streams The Stream API, introduced in Java 8, is a powerful abstraction for processing collections of data in a functional-style. It enables operations on a sequence of elements (like filtering, mapping, and reducing) and supp...
Introduction Java introduced Optional<T> in Java 8 to handle the common issue of NullPointerException and make code more readable and expressive. Optional provides a container object which may or may not contain a non-null value, helping developers t...
1. What is a virtual thread in Java? Answer: A virtual thread is a lightweight, user-managed thread introduced in Java as part of Project Loom. Unlike platform threads, virtual threads are not directly tied to an operating system (OS) thread and are...
